Force and pressure

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Force and pressure by Mind Map: Force and pressure

1. Force

1.1. What is force?

1.1.1. Push/pull

1.1.2. Capacity to do work

1.1.3. Cause physical change

1.2. Types of force

1.2.1. Magnetic force

1.2.1.1. Push/pull

1.2.1.1.1. 2 magnets

1.2.1.1.2. Magnetic and non-magnetic

1.2.2. Frictional force

1.2.2.1. Redece

1.2.2.1.1. Lubricants

1.2.2.2. Increase

1.2.2.2.1. Rougher materials

1.2.2.2.2. Softer materials

1.2.2.2.3. Increase weight of two surfaces

1.2.3. Gravitational force

1.2.3.1. Weight

1.2.3.1.1. Amount pf gravitational force acting on the object

1.2.3.1.2. Mass x gravitational force

1.2.3.2. NOT mass

1.2.3.2.1. Amount of matter in the object

1.3. How to calculate force?

1.3.1. Force = mass x acceleration

1.3.2. Measured in Newton (N)

1.3.2.1. 1 N = 1 pascal x sq metre

2. Pressure

2.1. How to calculate pressure?

2.1.1. Pressure = force/area

2.1.2. Measured in pascal (pa)

2.1.2.1. 1 pa = 1 Newton/sq metre

2.2. What is pressure?

2.2.1. Force per unit area applied in a direction perpendicular to the surface of an object

2.2.2. Force acting on an area (per unit area)

2.3. Increasing pressure

2.3.1. Decrease surface area

2.4. Decreasing pressure

2.4.1. Increase surface area